@Test
public void testGetOutwardConnectedness() {
int[][] network =
new int[][] {
{0, 8, 1, 0},
{4, 0, 2, 8},
{0, 0, 0, 0},
{1, 0, 8, 0}
};
Network net = new Network(network);
// the type of these should be double[], but my current version of JUnit doesn't allow that...
double[][] trueValue = new double[][] {{3 / 0.75, 3 / 0.625, 0, 3 / 2.25}};
assertArrayEquals(trueValue, new double[][] {net.getVertexOutwardConnectedness()});
}
@Test
public void testGetTransitivity() {
int[][] network;
Network net;
network =
new int[][] {
{0, 1, 2},
{3, 0, 1},
{1, 0, 0}
};
net = new Network(network);
assertEquals(9 / 11.0, net.getTransitivity(), 1e-12);
network =
new int[][] {
{0, 1, 1, 0, 0, 0},
{1, 0, 1, 1, 1, 0},
{1, 1, 0, 0, 0, 0},
{0, 1, 0, 0, 0, 0},
{0, 1, 0, 0, 0, 1},
{0, 0, 0, 0, 1, 0}
};
net = new Network(network);
assertEquals(0.33, net.getTransitivity(), 1e-2);
network =
new int[][] {
{0, 4, 2, 0, 0, 0},
{4, 0, 4, 1, 2, 0},
{2, 4, 0, 0, 0, 0},
{0, 1, 0, 0, 0, 0},
{0, 2, 0, 0, 0, 1},
{0, 0, 0, 0, 1, 0}
};
net = new Network(network);
assertEquals(40 / 96.0, net.getTransitivity(), 1e-2);
}
@Test
public void testGetOutDegree() {
int[][] network = new int[][] {{1, 0, 1}, {0, 0, 2}, {1, 0, 0}};
Network net = new Network(network);
assertArrayEquals(new int[] {1, 2, 1}, net.getVertexOutDegrees());
}